A map of human circular RNAs in clinically relevant tissues

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A map of human circular RNAs in clinically relevant tissues

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Title: A map of human circular RNAs in clinically relevant tissues
Author: Maass, Philipp G.; Glažar, Petar; Memczak, Sebastian; Dittmar, Gunnar; Hollfinger, Irene; Schreyer, Luisa; Sauer, Aisha V.; Toka, Okan; Aiuti, Alessandro; Luft, Friedrich C.; Rajewsky, Nikolaus

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Citation: Maass, P. G., P. Glažar, S. Memczak, G. Dittmar, I. Hollfinger, L. Schreyer, A. V. Sauer, et al. 2017. “A map of human circular RNAs in clinically relevant tissues.” Journal of Molecular Medicine (Berlin, Germany) 95 (11): 1179-1189. doi:10.1007/s00109-017-1582-9. http://dx.doi.org/10.1007/s00109-017-1582-9.
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Abstract: Abstract Cellular circular RNAs (circRNAs) are generated by head-to-tail splicing and are present in all multicellular organisms studied so far. Recently, circRNAs have emerged as a large class of RNA which can function as post-transcriptional regulators. It has also been shown that many circRNAs are tissue- and stage-specifically expressed. Moreover, the unusual stability and expression specificity make circRNAs important candidates for clinical biomarker research. Here, we present a circRNA expression resource of 20 human tissues highly relevant to disease-related research: vascular smooth muscle cells (VSMCs), human umbilical vein cells (HUVECs), artery endothelial cells (HUAECs), atrium, vena cava, neutrophils, platelets, cerebral cortex, placenta, and samples from mesenchymal stem cell differentiation. In eight different samples from a single donor, we found highly tissue-specific circRNA expression. Circular-to-linear RNA ratios revealed that many circRNAs were expressed higher than their linear host transcripts. Among the 71 validated circRNAs, we noticed potential biomarkers. In adenosine deaminase-deficient, severe combined immunodeficiency (ADA-SCID) patients and in Wiskott-Aldrich-Syndrome (WAS) patients’ samples, we found evidence for differential circRNA expression of genes that are involved in the molecular pathogenesis of both phenotypes. Our findings underscore the need to assess circRNAs in mechanisms of human disease. Key messages circRNA resource catalog of 20 clinically relevant tissues.circRNA expression is highly tissue-specific.circRNA transcripts are often more abundant than their linear host RNAs.circRNAs can be differentially expressed in disease-associated genes. Electronic supplementary material The online version of this article (10.1007/s00109-017-1582-9) contains supplementary material, which is available to authorized users.
Published Version: doi:10.1007/s00109-017-1582-9
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5660143/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:34493365
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